Patents by Inventor John A. Komperud

John A. Komperud has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Centrifugal chiller with high voltage unit-mounted starters
    Patent number: 6679076
    Abstract: A centrifugal chiller includes both a unit-mounted full-voltage starter and a unit-mounted reduced-voltage starter. The chiller is rather large with a rated cooling capacity of at least 300 tons and is driven by a motor that is powered by at least 2,000 volts. The chiller includes an evaporator shell and a condenser shell in a staggered arrangement to provide a combined height of between 6 and 12 feet and a combined width of between 5 and 8.5 feet. The staggered arrangement of the shells plus mounting the two starters at opposite sides of the motor provide a chiller whose outer dimensions permit the chiller to be shipped as a single package without exceeding certain shipping limits.
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: January 20, 2004
    Assignee: American Standard International Inc.
    Inventors: Joel S. Duga, John A. Komperud, Richard M. Heiden